High Pressure Plunger Pump · Frame size 35 PFR
3531CHS
This triplex (three plunger rods) positive displacement, reciprocating plunger pump is constructed with 316 stainless steel manifolds, 316 stainless steel valve assemblies, solid ceramic plungers and standard NBR (Buna-N) seals and O-rings.
Technical specifications
| Flow rate | 151 l/min |
|---|---|
| Operating pressure | 138 bar |
| Speed | 888 min⁻¹ |
| Inlet port | 1 1/2" NPT(F) |
| Discharge port | 1" NPT(F) |
| Shaft diameter | 35 mm |
| Material | Stainless Steel |
Downloads
CAD files
Spare parts
Click an item in the drawing or in the parts list to add it to your request list. We turn it into a quotation – no order is placed.
On the request list: 0 · for this pump: 0Open request list →
8 kits bundle wearing parts of this pump ↓
Exploded view

Parts list
| Item | Part no. | Description | Qty | Add to request list |
|---|---|---|---|---|
| 5 | 96049 | Screw, HHC Sems (M10x25)S | 8 | |
| 8 | 134604 | Cover, Bearing [06/18]ALE | 2 | |
| 9 | 815279 | Shim, Split, 2-Piece 0 - 2FBR | 2 | |
| 10 | 12398 | O-Ring, Bearing Cover - 70DNBR | 2 | |
| 11 | 13296 | Seal, Oil, Crankshaft 0 - 2NBR | 2 | |
| 12 | 855049 | Shim, Split, 2-Piece 0 - 2S | ||
| 15 | 29326 | Bearing, RollerSTL | 2 | |
| 20 | 126725 | Rod, Connecting Assembly (Includes: 21, 22, 23) (Model 3521DHS)BZ | 3 | |
| 21 | 126749 | Washer, Locking (M10)STCP | 3 | |
| 22 | 126593 | Washer, Flat (M10.5)STCP | 6 | |
| 23 | 122045 | Screw, HH (M10x55)STZP | 6 | |
| 25 | 29325 | Crankshaft, Dual End (M48)FCM | 1 | |
| 31 | 828710 | Protector, Oil Cap with Foam Gasket 1PE | 1 | |
| 32 | 43211 | Cap, Oil FillerABS | 1 | |
| 33 | 14177 | O-Ring, Oil Filler Cap - 70DNBR | 1 | |
| 34 | 126743 | Bolt, Eye (M12x1.75) (For Lifting Pump Only)STCP | 1 | |
| 37 | 92241 | Gauge, Oil, Bubble with Gasket - 80D 1 - 2PC | 1 | |
| 38 | 44428 | Gasket, Flat, Oil Gauge - 80DNBR | 1 | |
| 40 | 125753 | Screw, HHC, Sems (M8 x 25) (Model 2530E)S | 8 | |
| 48 | 25625 | Plug, Drain (1/4" x 19 BSP[M])STCP | 1 | |
| 49 | 23170 | O-Ring, Drain Plug - 70DNBR | 1 | |
| 50 | 45936 | Cover, Rear (See Tech Bulltin 118)ALE | 1 | |
| 51 | 16612 | O-Ring, Cover - 70DNBR | 1 | |
| 53 | 134784 | Crankcase Assembly (Includes 54)ALE | 1 | |
| 54 | 27488 | Pin, GuideS | 2 | |
| 56 | 27790 | Pan, OilPOP | 1 | |
| 59 | 92538 | Screw, HHC, Sems (M6 x 16) (Model 2530E)S | 2 | |
| 64 | 43864 | Pin, CrossheadCM | 3 | |
| 65 | 49166 | Rod, Plunger (Model 3521DHS)SSHB | 3 | |
| 69 | 126587 | Washer, Oil SealSTCP | 3 | |
| 70 | 100488 | Seal, Oil, CrankcaseNBRS | 3 | |
| 75 | 43865 | Slinger, BarrierS | 3 | |
| 88 | 45676 | Washer, Keyhole (M16)S | 3 | |
| 90 | 43921 | Plunger (M40 x 145)CC | 3 | |
| 95 | 89778 | Stud, Plunger Retainer (M10x135)SS | 3 | |
| 96 | 20189 | Back-up-Ring, Plunger RetainerPTFE | 3 | |
| 97 | 11345 | O-Ring, Plunger Retainer - 70DNBR | 3 | |
| 98 | 44085 | Gasket, Plunger Retainer (M7) Model 3501, 3501C, Gasket, Plunger Retainer (M10) Model 3511, 3511CSS | 3 | |
| 99 | 44084 | Retainer, Plunger (M10)SS | 3 | |
| 100 | 814279 | Retainer, Seal, 2-PiecePVDF | 3 | |
| 101 | 44112 | Wick, Long Tab | 3 | |
| 106 | 44113 | Seal, Low-Pressure, with SS-SpringNBR | 3 | |
| 107 | 44115 | Spacer, Low-Pressure, SealNAB | 3 | |
| 107 | 45381 | Spacer, Low-Pressure, SealSS | 3 | |
| 110 | 45124 | Manifold, InletNAB | 1 | |
| 110 | 45365 | Manifold, Inlet (Model 3521DHS)SS | 1 | |
| 110 | 49464 | Manifold, Inlet - (Models 3570, 3570S)BBCP | 1 | |
| 112 | 11379 | O-Ring, Inlet Manifold - 70DNBR | 3 | |
| 117 | 44585 | Screw, HSH (M14x40)S | 4 | |
| 126 | 46494 | Adapter, FemaleBB | 3 | |
| 126 | 48391 | Adapter, FemaleD | 3 | |
| 127 | 44609 | V-PackingSTG | 6 | |
| 128 | 43928 | Adapter, MaleBB | 3 | |
| 128 | 45368 | Adapter, MaleSS | 3 | |
| 141 | 49519 | Spring, Large CoilSS | 3 | |
| 155 | 48860 | O-Ring, V-Packing Cylinder - 90DNBR | 6 | |
| 156 | 48362 | Backup Ring, V-Packing, Spacer, OuterD | 6 | |
| 157 | 49478 | Spacer, V-PackingBB | 3 | |
| 157 | 49520 | Spacer, V-PackingSS | 3 | |
| 157 | 49521 | Spacer, V-PackingNAB | 3 | |
| 162 | 48363 | Backup-Ring, Valve SeatD | 6 | |
| 163 | 26142 | O-Ring, Seat - 80DNBR | 6 | |
| 164 | 44612 | Seat, SteppedSS | 6 | |
| 164 | 44727 | Seat, SteppedS | 6 | |
| 166 | 43932 | ValveS | 6 | |
| 166 | 44108 | ValveSS | 6 | |
| 167 | 44109 | Spring, ValveSS | 6 | |
| 168 | 44728 | Retainer, SpringPVDF | 6 | |
| 170 | 44729 | Washer, Spring RetainerSS | 6 | |
| 171 | 44644 | Coil Spring (70kg), Valve PlugSS | 6 | |
| 172 | 89827 | O-Ring, Valve Plug - 90DNBR | 6 | |
| 173 | 48364 | Backup-Ring, Valve PlugD | 6 | |
| 174 | 44643 | Plug, Valve [02/06]NAB | 6 | |
| 174 | 46444 | Plug, Valve [02/06]FBB | 6 | |
| 174 | 49300 | Plug, ValveSSD | 6 | |
| 185 | 49299 | Manifold, DischargeSSD | 1 | |
| 185 | 49465 | Manifold, DischargeBBCP | 1 | |
| 185 | 76335 | Manifold, DischargeNAB | 1 | |
| 188 | 89981 | Screw, HSH (M12 x 70)S | 8 | |
| 250 | 855042 | Protector, Shaft with Two (2) Screws, Lockwashers and WashersNY | 1 | |
| – | 3535HS | ) 16.95 (430.5) (3531DHS, 3531CHS, 3537HS) | ||
| – | 6124 | Gasket, Liquid (3 oz. / 0,1 l) | 1 | |
| – | 6139 | Lubricant, Anti-Seize (8 oz) (Model 1531) | 1 | |
| – | 30278 | Oiler (1 oz) (Not Shown) 3 | 3 | |
| – | 30696 | Reverse Pliers (Not Shown) | 1 | |
| – | 32273 | Crankcase Oil Seal Removal and Installation Kit (Not Shown) | 1 | |
| – | 34018 | Mount, Direct (STZP R) | 1 | |
| – | 34021 | Key (M10 x 8 x 70) 1 | 1 | |
| – | 34039 | Mount, Direct (S) 1 | 1 | |
| – | 34235 | Kit, Valve - Standard NBR (Model 3535HS) | 2 | |
| – | 34314 | Kit, Oil Drain (3/8" x 48") (Not Shown) | 1 | |
| – | 76514 | Mount, Rail Assembly (S) (Includes: 34039) 1 | 1 | |
| – | 80540 | Screw, Adjusting (M12 x 100) 2 | 2 | |
| – | 92674 | Mount, Rail Assembly (STZP R) (Includes: 34018) | 1 | |
| – | 125397 | Manifold, Inlet, Flushed (1/4" Flush Ports) (Model 3521C)SS | 1 | |
| – | 814522 | Head, Complete with NBR Seals and O-Rings (Model 3537HS) | 1 | |
| – | 818372 | Head, Complete with NBR Seals and O-Rings (Model 3531DHS ) | 1 | |
| – | 818427 | Head, Complete with NBR Seals and O-Rings (Model 3535HS) | 1 | |
| – | 819000 | Assembly, Crankcase, Cast Iron Conversion (Not Shown) 1 | 1 | |
| – | 990013 | Hub, "B", 35 mm (STL) 1 | 1 | |
| – | 6133 | Oil, Crankcase, Can 4l | 1 |
in the request listcovered by a requested kit
Seal and valve kits
A kit bundles the wearing parts of one assembly. Selecting it highlights the items it covers in the drawing and the parts list – once requested, they stay marked.
Seal kits
Seal kit
31040
NBR (STD)Medium Nitrile (Buna-N)
contains 6 items · one kit per pump
Parts list
- 9711345O-Ring, Plungerhalter3×
- 10644113Dichtung, Niederdruck3×
- 11211379O-Ring, Saugstutzen3×
- 12744609V-Packung6×
- 15548860O-Ring, Distanzstück, V-Packung6×
- 15648362Stützring, O-Ring, Distanzstück, V-Packung6×
Seal kit
33055
FPM (0.0110)Fluorocarbon
contains 6 items · one kit per pump
Parts list
- 9711375O-Ring, Plungerhalter3×
- 10644740Dichtung, Niederdruck3×
- 11214183O-Ring, Saugstutzen3×
- 12744741V-Packung6×
- 15520137O-Ring, Distanzstück, V-Packung6×
- 15648362Stützring, O-Ring, Distanzstück, V-Packung6×
Seal kit
33262
EPDM (0.0220)Ethylene Propylene Diene Monomer
contains 6 items · one kit per pump
Parts list
- 97701490O-Ring, Plungerhalter3×
- 10646955Dichtung, Niederdruck3×
- 112701491O-Ring, Saugstutzen3×
- 12744609V-Packung6×
- 155701492O-Ring, Distanzstück, V-Packung6×
- 15648362Stützring, O-Ring, Distanzstück, V-Packung6×
Seal kit
76948
IPFE (0.0770)I-Perfluoroelastomer
contains 7 items · one kit per pump
Parts list
- 97702961O-Ring, Plungerhalter3×
- 10676398Dichtung, Niederdruck3×
- 112702705O-Ring, Saugstutzen3×
- 12776780V-Packung6×
- 155703159O-Ring, Distanzstück, V-Packung6×
- 156202164Stützring, O-Ring, Distanzstück, V-Packung6×
- 15620464Backup Ring, V-Packing Spacer6×
Valve kits
Valve kit
34017
NBR (STD)Medium Nitrile (Buna-N)
contains 11 items · 2 kits per pump
Parts list
- 16248363Stützring, Ventilsitz3×
- 16326142O-Ring, Ventilsitz3×
- 16444727Ventilsitz (3520, 3520C)3×
- 16444612Ventilsitz3×
- 16643932Ventil (3520, 3520C)3×
- 16644108Ventil3×
- 16744109Feder, Ventil3×
- 16844728Federhalter, Ventil3×
- 17044729Scheibe, Federhalter3×
- 17289827O-Ring, Ventilstopfen3×
- 17348364Stützring, Ventilstopfen3×
Valve kit
31955
FPM (0.0110)Fluorocarbon
contains 9 items · 2 kits per pump
Parts list
- 16248363Stützring, Ventilsitz3×
- 16314330O-Ring, Ventilsitz3×
- 16444612Ventilsitz (3520, 3520C)3×
- 16644108Ventil (3520, 3520C)3×
- 16744109Feder, Ventil3×
- 16844728Federhalter, Ventil3×
- 17044729Scheibe, Federhalter3×
- 17211747O-Ring, Ventilstopfen3×
- 17348364Stützring, Ventilstopfen3×
Valve kit
31952
EPDM (0.0220)Ethylene Propylene Diene Monomer
contains 9 items · 2 kits per pump
Parts list
- 16248363Stützring, Ventilsitz3×
- 163701493O-Ring, Ventilsitz3×
- 16444612Ventilsitz (3520, 3520C)3×
- 16644108Ventil (3520, 3520C)3×
- 16744109Feder, Ventil3×
- 16844728Federhalter, Ventil3×
- 17044729Scheibe, Federhalter3×
- 172701494O-Ring, Ventilstopfen3×
- 17348364Stützring, Ventilstopfen3×
Valve kit
76617
IPFE (0.0770)I-Perfluoroelastomer
contains 12 items · 2 kits per pump
Parts list
- 16248363Stützring, Ventilsitz3×
- 16244614Stützring, Ventilsitz3×
- 163702808O-Ring, Ventilsitz3×
- 16444612Ventilsitz (3520, 3520C)3×
- 16644108Ventil (3520, 3520C)3×
- 16744109Feder, Ventil3×
- 16844728Federhalter, Ventil3×
- 17044729Scheibe, Federhalter3×
- 172703169O-Ring, Ventilstopfen3×
- 172701369O-Ring, Ventilstopfen3×
- 17348364Stützring, Ventilstopfen3×
- 17320388Stützring, Ventilstopfen3×
More models in frame size 35 PFR
3501
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- Operating pressure
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- Speed
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- Material
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- Operating pressure
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- Material
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- Flow rate
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- Material
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